careleness email writing - Job Application Selection Committe PPSE Unri

Now, i have helped a friend who apply for a job on PPSE Unri. Job vacancy on BUMN, big state company have core business on agriculture, that is PTP, very attractive for aplicants.

Basically, there's no special about the vacancy. However, there is a little careleness. Committe announced a non active email : ppse@gmail.com.

The case

When my friends send their file to that email, he get message:

Delivery to the following recipient failed permanently:

    ppse@gmail.com

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550-5.1.1 The email account that you tried to reach does not exist. Please try
550-5.1.1 double-checking the recipient's email address for typos or
550-5.1.1 unnecessary spaces. Learn more at

Now, how with the other applicants?